QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem897417
USGS iscgem897417
29 Jun 1948, 11:28
124 km ENE of Hihifo, Tonga
A magnitude 6.6 mw earthquake at 35 km depth.
Published location
Where is 124 km ENE of Hihifo, Tonga?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-15.382000, -172.797000
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem897417
Coordinates
-15.382, -172.797
Network
iscgem
Significance
662